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Mangrove Melody (Simberloff and Wilson 1969)

This meandering tour through the Mangrove swamps of the Florida Keys is an introduction to the theory of Island Biogeography proposed by ecological giants Robert MacArthur and E. O. Wilson (1963) and tested by Wilson and his then graduate student Dan Simberloff (1969). These works and the others they inspired help to change the rich and historically important field of biogeography from its focus on vicarience (the process of species being moved around as continents shifted) as the major explanation of the world's geographic patterns of species diversity, to a view that includes more recent and ongoing ecological processes (such as extinction and re-colonization) to explain these patterns. Islands have long provided rich inspiration for biologists to think about questions of species richness and dispersal, so it was a natural fit for Simberloff and Wilson to use the small scale "islands" of habitat created by mangrove trees at a variety of distances from the mainland. By denuding the arthropod fauna from the islands, they were able to watch the process of community reassembly as it happened to test the real world against predictions from their mathematical models. The success of this relatively simple model in predicting real world outcomes helped these ideas become integrated in the way that conservations and ecologists think about how and why species occur where they do and why they sometimes go extinct. While the application of these ideas is often complicated and sometimes controversial, this body of work continues to be a very important source of understanding about the natural world. Director and Animator: Lauren Anderson Paper: Simberloff D. S. & Wilson E. O. 1968. Experimental Zoogeography of Islands: The Colonization of Empty Islands. Ecology. 50: 278-296.